<?xml version="1.0"?>
<div><span class="kw">theorem </span><a NAME="T66"><span class="comment"><font color="firebrick">:: CARDFIL2:66</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">X</font> being    <a href="hidden.html#M2" title="HIDDEN:mode.2">set</a>  holds  <span class="p1"><a href="tarski.html#K1" title="TARSKI:func.1">{</a><span class="default"><font color="Olive" title="b1">X</font></span><a href="tarski.html#K1" title="TARSKI:func.1">}</a></span> is   <a href="waybel_0.html#NM4" title="WAYBEL_0:NM.4">Filter</a> of <span class="p1">(<span class="default"><a href="yellow_1.html#K2" title="YELLOW_1:func.2">BoolePoset</a> <font color="Olive" title="b1">X</font></span>)</span> <span class="kw">by</span> <span class="lab"><a class="ref" href="waybel16.html#T12" onmouseover="rs('waybel16/T12')" onmouseout="rh()">WAYBEL16:12</a></span>;<br/></div></div>
